Japan Display Starts Mass Production of IPS-NEO for Mobile Products

Japan Display has started mass production of IPS-NEO displays for mobile products this July. IPS-NEO display has been created through JDI’s unique technological development. IPS-NEO display has already earned high marks for its high contrast and high image quality favorable to medical and other industrial applications. It will be expanded step by step to other applications. As their pixel sizes are smaller, transmissivity tends to be poorer and backlight power consumption to be higher. In contrast, JDI’s photo alignment method paves the way for the use of highly transmissive liquid crystal, traditionally regarded as difficult to mass produce. That helps increase transmissivity by at least 10% and contributes to reduced power consumption.

JDI_IPS-NEOLiquid crystal panel manufacturing requires an orientation process that aligns liquid crystal molecules in a uniform direction. Generally, the rubbing method, as portrayed in the diagram above, is employed. In this process, an orientation membrane is rubbed in a fixed direction with a rubbing roller with cloth wound on it. With this method, unevenness of the circuit pattern formed on the glass substrate could impede proper orientation and the involvement of foreign particles in the rubbing process may affect the production yield. Adopting JDI’s unique photo alignment method, “IPS-NEO” is free from these issues and achieves a higher contrast, superior viewing angle characteristics and an improved production yield. JDI’s sixth-generation (1,500 x 1,850mm glass substrate) low temperature poly-silicon (LTPS) line in its Mobara Plant (Mobara-shi, Chiba, Japan) is now ready for mass production of IPS-NEO.

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